Fitment Information Nissan 370Z (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020) Emissions Compliance This is a catback exhaust and does not alter, replace, or modify any emissions equipment. Specs & Features Mid section built with slight hump to allow for increased W brace clearance Provides a deep and aggressive exhaust tone Lighter then factory exhaust  Precision TIG welded Stainless Steel Brushed Stainless finish  Burnt blue tip with polished muffler 3" exhaust with 4.5'' muffler tip  ISR Performance Single GT exhaust is a y-pipe back exhaust system made of mandrel bent stainless steel to ensure the highest reliability and quality. This Single exhaust gives you all the advantages of unrestricted flow to maximum horsepower while retaining a deep and aggressive exhaust tone. This single GT exhaust is the perfect combination for both naturally aspirated and forced induction applications.